If a water body have high amount of DDT it's 'Biochemical Oxygen Demand' (B.O.D.) will</h2></div>

At which dose is nuclear radiation considered lethal?

What is e-waste?</h2></div>

World climate is threatened by increase in the concentration of</h2></div>

What amount of BOD indicates low water pollution?

Who is the greatest enemy of nature and organism?</h2></div>

Some statements are given below each with one or two blanks. Select the option that correctly fills up the blanks.<di…

When did the Government of India pass the Environment Protection Act?